<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../00-source/jquery.min.js"></script>
</head>
<body>
    <ul id="list">

    </ul>

    <script>
        let list = ['111','222','333','444']

        list.forEach(item=>{
            let li = $(`
                <li>
                    ${item}
                    <button>del</button>    
                </li>
            `)
            $('#list').append(li)
        })

        $('#list').on('click','button',function(){
            $(this).parent().remove()
        })
    </script>
</body>
</html>